fix(hotreload): verify that a file path exists before creating an observer schedule for it

hotreload/hotreload.py

@@ -1,6 +1,6 @@
 from asyncio import run_coroutine_threadsafe
 from pathlib import Path
-from typing import Sequence
+from typing import TYPE_CHECKING, Sequence
 
 from red_commons.logging import RedTraceLogger, getLogger
 from redbot.core import Config, checks, commands
@@ -8,7 +8,10 @@ from redbot.core.bot import Red
 from redbot.core.core_commands import CoreLogic
 from redbot.core.utils.chat_formatting import bold, box, humanize_list
 from watchdog.events import FileSystemEvent, FileSystemMovedEvent, RegexMatchingEventHandler
-from watchdog.observers import Observer, ObserverType
+from watchdog.observers import Observer
+
+if TYPE_CHECKING:
+    from watchdog.observers import ObserverType
 
 
 class HotReload(commands.Cog):
@@ -16,7 +19,7 @@ class HotReload(commands.Cog):
 
     __author__ = ["[cswimr](https://www.coastalcommits.com/cswimr)"]
     __git__ = "https://www.coastalcommits.com/cswimr/SeaCogs"
-    __version__ = "1.3.0"
+    __version__ = "1.3.2"
     __documentation__ = "https://seacogs.coastalcommits.com/hotreload/"
 
     def __init__(self, bot: Red) -> None:
@@ -70,6 +73,10 @@ class HotReload(commands.Cog):
                 self.logger.debug("Stopped hanging observer.")
                 continue
             for path in paths:
+                if not path.exists():
+                    self.logger.warning("Path %s does not exist. Skipping.", path)
+                    continue
+                self.logger.debug("Adding observer schedule for path %s.", path)
                 observer.schedule(event_handler=HotReloadHandler(cog=self, path=path), path=path, recursive=True)
             observer.start()
             self.logger.info("Started observer. Watching for file changes.")